Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867033 | Idiophone having a resonant chamber | Isao Shimoda | 1989-09-19 |
SF
Shigemitsu Fujioka
Overall (All Time): #3,937,990 of 4,157,543Top 95%
1
Patents All Time